Re: News bulletin 9000 Aero - Saab 9000 Bulletin Board - Saabnet.com
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Re: News bulletin 9000 Aero
Posted by Anders (more from Anders) on Mon, 18 Mar 2002 16:10:11
In Reply to: News bulletin 9000 Aero, Alain(Luxembourg), Mon, 18 Mar 2002 01:59:50
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Do you have a chance to hook up a lab scope to pin 44 at Trionic ECU.
That's where the knock signal from DI cassette comes in to ECU. It could be of interrest if the Knock signal goes haywire at the same time the boost is acting up.
Is it the 2:7 Trionic book you have? P/N 359505
Otherwise try to get that one, it have a lot of info about the system and what to look/measure for at the different pins at ECU.
When knocking occurs, it deals with it in two steps. First it lowers the timing,second it injects more fuel, but if boost is more than 140 kPa when knocking occurs, it changes the fuel/timing matrix to begin with and if that doesn't help it start to reduce boost.
I'm still supicious to that shaved off head and gasket as you can tell.
posted by 66.134.5...
Posts in this Thread:
- News bulletin 9000 Aero, Alain(Luxembourg), Mon, 18 Mar 2002 01:59:50
- Re: News bulletin 9000 Aero, Anders, Mon, 18 Mar 2002 16:10:11 <-- Viewing This Message
- Check Basic Boost Pressure, Dr Boost, Mon, 18 Mar 2002 11:11:19
- Alain, where do you live?.................., zeke, Mon, 18 Mar 2002 09:26:22
- Re: News bulletin 9000 Aero, Tapani, Mon, 18 Mar 2002 09:14:46
- Didn't I tell you it was the BPC valve?................, zeke, Mon, 18 Mar 2002 07:52:45
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